The Rock Orchestra is a British orchestra that performs arrangements of popular rock and metal songs. The orchestra performs covers of popular songs from the rock and metal genres. Its stage shows fea
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x491c807f5b4183cc3565ad025a89d8811d5938db32a8513175c4914cc43fe141. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/95765ba8-a67d-43e7-8f21-8a011496c42a.json and https://artists.proofprofile.net/proofs/artist/95765ba8-a67d-43e7-8f21-8a011496c42a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).